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Thailand, NIMT (National Institute of Metrology (Thailand))
Complete CMCs in Thermometry for Thailand (.PDF file)
Temperature. Aluminium freezing point cell, 660.323 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 8
Comparison with reference cell(s)
Temperature: seal cell and furnace
Approved on 05 June 2014
Modified on 09 February 2015
Internal NMI service identifier: NIMT/11010-11110
 
Temperature. SPRT, -38.8344 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 0.8
Mercury triple point cell
Temperature: seal cell and cryostat
Approved on 06 September 2013
Modified on 09 February 2015
Internal NMI service identifier: NIMT/11010-11320
 
Temperature. SPRT, 29.7646 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 0.8
Gallium melting point cell
Temperature: seal cell and thermostat
Approved on 06 September 2013
Modified on 09 February 2015
Internal NMI service identifier: NIMT/11010-11320
 
Temperature. SPRT, 231.9280 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 1.5
Tin freezing point cell
Temperature: seal cell and furnace
Approved on 06 September 2013
Modified on 09 February 2015
Internal NMI service identifier: NIMT/11010-11320
 
Temperature. SPRT, 419.527 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 2
Zinc freezing point cell
Temperature: seal cell and furnace
Approved on 06 September 2013
Modified on 09 February 2015
Internal NMI service identifier: NIMT/11010-11320
 
Temperature. Digital thermometer with resistance temperature sensor, -40 °C to 90 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 15
Comparison with SPRT in cryobath, water bath and oil bath
Hysteresis not included in CMC
Uncertainty of interpolation equation
Approved on 06 September 2013
Internal NMI service identifier: NIMT/11020-12710
 
Temperature. Digital thermometer with resistance temperature sensor, 90 °C to 250 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 20
Comparison with SPRT in oil bath
Hysteresis not included in CMC
Uncertainty of interpolation equation
Approved on 06 September 2013
Internal NMI service identifier: NIMT/11020-12710
 
Temperature. Digital thermometer with resistance temperature sensor, 250 °C to 450 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in mK: 50
Comparison with SPRT in salt bath, furnace
Hysteresis not included in CMC
Uncertainty of interpolation equation
Approved on 06 September 2013
Internal NMI service identifier: NIMT/11020-12710
 
Temperature. Noble metal thermocouple (type S, R, B), 231.928 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.1
Fixed point calibration
Inhomogeneity 0.02 %, point only
Approved on 05 June 2014
Internal NMI service identifier: NIMT/11020-12311
 
Temperature. Noble metal thermocouple (type S, R, B), 419.527 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.1
Fixed point calibration
Inhomogeneity 0.02 %, point only
Approved on 05 June 2014
Internal NMI service identifier: NIMT/11020-12311
 
Temperature. Noble metal thermocouple (type S, R, B), 660.323 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.2
Fixed point calibration
Inhomogeneity 0.02 %, point only
Approved on 05 June 2014
Internal NMI service identifier: NIMT/11020-12311
 
Temperature. Noble metal thermocouple (type S, R, B), 961.78 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.2
Fixed point calibration
Inhomogeneity 0.02 %, point only
Approved on 05 June 2014
Internal NMI service identifier: NIMT/11020-12311
 
Temperature. Noble metal thermocouple (type S, R, B), 1084.62 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.3
Fixed point calibration
Inhomogeneity 0.02 %, point only
Approved on 05 June 2014
Internal NMI service identifier: NIMT/11020-12311
 
Temperature. Noble metal thermocouple (type S, R, B), 0 °C to 660 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.2
Fixed point calibration
Inhomogeneity 0.02 %, range
Approved on 05 June 2014
Internal NMI service identifier: NIMT/1120-12312
 
Temperature. Noble metal thermocouple (type S, R, B), 660 °C to 1100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.3
Fixed point calibration
Inhomogeneity 0.02 %, range
Approved on 05 June 2014
Internal NMI service identifier: NIMT/1120-12312
 
Temperature. Noble metal thermocouple (type S, R, B), 0 °C to 250 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.1
Comparison with SPRTs in baths
Inhomogeneity 0.02 %, range
Approved on 05 June 2014
Internal NMI service identifier: NIMT/1120-12312
 
Temperature. Noble metal thermocouple (type S, R, B), 250 °C to 500 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.2
Comparison with SPRTs in baths / furnace
Inhomogeneity 0.02 %, range
Approved on 05 June 2014
Internal NMI service identifier: NIMT/1120-12312
 
Temperature. Noble metal thermocouple (type S, R, B), 500 °C to 700 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.5
Comparison with HSPRTs/ TCs in furnace
Inhomogeneity 0.02 %, range
Approved on 05 June 2014
Internal NMI service identifier: NIMT/1120-12312
 
Temperature. Noble metal thermocouple (type S, R, B), 700 °C to 1100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 1.0
Comparison with HSPRTs / TCs in furnace
Inhomogeneity 0.02 %, range
Approved on 05 June 2014
Internal NMI service identifier: NIMT/1120-12312
 
Temperature. Base metal thermocouple (type T, E, J, N, K), 0 °C to 100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.2
Comparison with SPRTs / TCs in baths or furnace
Inhomogeneity 0.1 %, uncertainty does not include UUC hysteresis, range
Approved on 05 June 2014
Internal NMI service identifier: NIMT/11020-12321